﻿/////////////////////////////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2009 Eric Bowen
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and 
// associated documentation files (the "Software"), to deal in the Software without restriction, including 
// without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
// copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the 
// following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or substantial 
// portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT 
// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN 
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
/////////////////////////////////////////////////////////////////////////////////////////////////////
// Author's blog: http://blog.scrappydog.com
// Updated source code available:  http://scrappydb.codeplex.com
/////////////////////////////////////////////////////////////////////////////////////////////////////

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ScrappyDB.Utilities
{
    /// <summary>
    /// Alternate version of methods in the Amazon.SimpleDB library
    /// </summary>
    public static class AlternateSimpleDBCode
    {
        /// <summary>
        /// Decodes double value from the string representation that was created by using encodeRealNumberRange(..) function.
        /// </summary>
        /// <param name="value">string representation of the integer value</param>
        /// <param name="maxDigitsRight">maximum number of digits left of the decimal point in the largest absolute value in the data set (must be the same as the one used for encoding).</param>
        /// <param name="offsetValue">offset value that was used in the original encoding</param>
        /// <returns>original float value</returns>
        public static double DecodeRealNumberRangeDouble(String value, int maxDigitsRight, int offsetValue)
        {
            return (double)(long.Parse(value) / Math.Pow(10, maxDigitsRight) - offsetValue);
        }
    }
}
